ZPL commands
~HD · Head Diagnostic
Returns diagnostic data to the host, e.g. printhead and ambient temperature, darkness setting and speeds.
Returns diagnostic data to the host, e.g. printhead and ambient temperature, darkness setting and speeds.
Parameters
~HD- no parameters - sends the diagnostic data to the host
Example
~HD
Tip
Useful for remote troubleshooting, for example to spot an overheating printhead.